In South Dorchester there are 3 residential Fiber providers covering 99.95% of the neighborhood. The average home can get speeds up to 1,295 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Fiber internet providers in South Dorchester, Boston, MA.
To see availability maps for all providers including fiber, cable, DSL, and more in South Dorchester, Boston, MA please click below.
South Dorchester, Boston, MA Availability Maps
Fiber Internet Service Providers in South Dorchester
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in South Dorchester are not shown.
South Dorchester Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in South Dorchester is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 99.95% of South Dorchester. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Earthlink. Call one of the companies with service in South Dorchester above to see who has service at your home.
How fast is fiber internet in South Dorchester?
The map below shows maximum fiber internet speeds by area in South Dorchester.
Fiber Internet Speed Key
The average South Dorchester home can get up to 1,295 Mbps on their fiber internet plan. The fastest fiber download speed in the neighborhood is 2,048 Mbps, which 31.82% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 75 Mbps. See the internet provider details below for info about their speed and coverage in South Dorchester.
Fiber internet speeds tend to be faster in the northeast parts of South Dorchester, and slower in the southeast areas of the neighborhood.
Is fiber the fastest internet I can get in South Dorchester?
The fastest internet for you may vary based on where in South Dorchester you live. In general, cable competes most often with fiber in the neighborhood.
- Fiber is the fastest internet type for 32.29% of South Dorchester homes.
- Cable is fastest for 67.66% of the neighborhood.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of South Dorchester homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in South Dorchester, along with details on where in South Dorchester and at what speeds.
EarthLink Fiber in South Dorchester, Boston, MA
EarthLink fiber coverage
About 99.95%, or 42,833 people, have EarthLink fiber internet available to them in the neighborhood. The company covers the entire South Dorchester area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of South Dorchester.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in South Dorchester. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 3 different maximum speeds throughout South Dorchester. The fastest plan anyone in South Dorchester can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 75 Mbps, and the neighborhood-wide average maximum speed for South Dorchester customers is up to 1,292 Mbps.
Show all download speeds
- 31.8% up to 2,048.0 Mbps
- 68.1% up to 940.0 Mbps
- 0.1% up to 75.0 Mbps
EarthLink fiber upload speeds
In South Dorchester download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other South Dorchester fiber providers. EarthLink offers 3 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Dorchester is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 75 Mbps. On average, EarthLink customers can get speeds up to 1,251 Mbps.
Show all upload speeds
- 31.8% up to 2,048.0 Mbps
- 68.1% up to 880.0 Mbps
- 0.1% up to 75.0 Mbps
Verizon Fiber in South Dorchester, Boston, MA
Verizon fiber coverage
About 99.95%, or 42,833 people, have Verizon fiber internet available to them in the neighborhood. The company covers the entire South Dorchester area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of South Dorchester.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in South Dorchester. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 3 different maximum speeds throughout South Dorchester. The fastest plan anyone in South Dorchester can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 75 Mbps, and the neighborhood-wide average maximum speed for South Dorchester customers is up to 1,292 Mbps.
Show all download speeds
- 31.8% up to 2,048.0 Mbps
- 68.1% up to 940.0 Mbps
- 0.1% up to 75.0 Mbps
Verizon fiber upload speeds
In South Dorchester download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is one of the fastest where upload speeds are concerned, and one of the fastest compared to other South Dorchester fiber providers. Verizon offers 3 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Dorchester is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 75 Mbps. On average, Verizon customers can get speeds up to 1,251 Mbps.
Show all upload speeds
- 31.8% up to 2,048.0 Mbps
- 68.1% up to 880.0 Mbps
- 0.1% up to 75.0 Mbps
XFINITY from Comcast Fiber in South Dorchester, Boston, MA
XFINITY fiber coverage
About 3.12%, or 1,339 people, have XFINITY fiber internet available to them in the neighborhood. The company covers the southwest, west, east, northwest, and southeast South Dorchester area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of South Dorchester.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in South Dorchester. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are 2 different maximum speeds throughout South Dorchester. The fastest plan anyone in South Dorchester can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the neighborhood-wide average maximum speed for South Dorchester customers is up to 1,616 Mbps.
Show all download speeds
- 52.1% up to 2,000.0 Mbps
- 47.9% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In South Dorchester download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the slowest compared to other South Dorchester fiber providers. XFINITY offers 3 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Dorchester is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 757 Mbps.
Show all upload speeds
- 34.9% up to 2,000.0 Mbps
- 17.2% up to 250.0 Mbps
- 47.9% up to 35.0 Mbps
South Dorchester Fiber by Area
This information is most helpful to those looking for homes or considering moving to South Dorchester or any of the areas nearby.
How does fiber internet in South Dorchester compare to the rest of Boston?
Fiber internet speeds in South Dorchester are much faster versus the average speeds in Boston: 0.00 Mbps in Boston versus 1,295 Mbps in the neighborhood. The city has similar fiber availability compared to the neighborhood. Average fiber coverage in Boston is 0.00% versus 99.95% in South Dorchester.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around South Dorchester are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Fields Corner, Boston, MA: less fiber coverage, faster speeds
- Dorchester Center, Boston, MA: less fiber coverage, faster speeds
- Neponset, Boston, MA: less fiber coverage, faster speeds
- Mount Bowdoin, Boston, MA: less fiber coverage, faster speeds
- North Dorchester, Boston, MA: less fiber coverage, slower speeds
- Roxbury, Boston, MA: less fiber coverage, slower speeds
- East Milton, Milton, MA: less fiber coverage, slower speeds
- Forest Hills, Jamaica Plain, MA: less fiber coverage, slower speeds
- Nubian Square, Boston, MA: less fiber coverage, slower speeds
- Milton Upper Mills, Milton, MA: less fiber coverage, slower speeds
Neighborhoods with Similar Populations
- Valley High-North Laguna, Sacramento, CA: less fiber coverage, faster speeds
- Central Escondido, Escondido, CA: less fiber coverage, faster speeds
- Charter Oak, Covina, CA: less fiber coverage, faster speeds
- El Sereno, Los Angeles, CA: less fiber coverage, faster speeds
- Encanto, Phoenix, AZ: less fiber coverage, faster speeds
- Far Northwest, Fort Worth, TX: less fiber coverage, faster speeds
- Fenway-Kenmore, Boston, MA: less fiber coverage, slower speeds
- Financial District, Manhattan, NY: less fiber coverage, faster speeds
- University Heights, Bronx, NY: less fiber coverage, faster speeds
- Aliamanu, Honolulu, HI: less fiber coverage, faster speeds